SHAREHOLDERS' EQUITY - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Stockholders Equity Note [Line Items]
Common stock, share repurchase, dollar amount	$ 1,081	$ 698
Remaining common stock available for purchase under share repurchase authorizations	52.1
Share Repurchase Program
Stockholders Equity Note [Line Items]
Common stock, share repurchase	17.4	11.1
Common stock, share repurchase, dollar amount	$ 1,100	$ 690
Share Repurchase Authorization 2015
Stockholders Equity Note [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	40.0